Underwater breathing device



FIG. 1 is a perspective view of the underwater breathing device in fulllines.

FIG. 2 is a front elevational view of the underwater breathing device.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left side elevational view thereof.

FIG. 5 the right side view being a mirror image of the right side view.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a underwater breathing device, as shown anddescribed.